Date: Fri, 03 Sep 2004 16:40:04 +0100 From: Peter Risdon <peter@circlesquared.com> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: Bart Silverstrim <bsilver@chrononomicon.com> Subject: Re: Moving MySQL database Message-ID: <41389054.90304@circlesquared.com> In-Reply-To: <20040903140215.GB23032@happy-idiot-talk.infracaninophile.co.uk> References: <1D64B3BF-FDAF-11D8-ABDA-000D9338770A@chrononomicon.com> <20040903140215.GB23032@happy-idiot-talk.infracaninophile.co.uk>
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Matthew Seaman wrote: > On Fri, Sep 03, 2004 at 09:42:36AM -0400, Bart Silverstrim wrote: > >>I have a server that is rapidly filling the var partition with a MySQL >>database. I'd like to move it to a subdirectory somewhere under /usr. >> >>Is there a document that would outline a "best practices" approach to >>doing this? My first instinct was to stop the mysqld, do a mv on >>/var/db to /var/db2 to rename it, copy the data to a /usr/local/db >>folder and alter permissions on it to match /var/db, then make a >>softlink between /usr/local/db and /var/db and restart mysqld so mysqld >>wouldn't need any reconfiguring and everything, I would *think*, should >>keep working...only now it will be working off a far more spacious >>partition. > > > I'd do it this way: > > i) Stop mysql > > ii) Remove (pkg_delete) the mysql-server package > > iii) Move the database files to their new location, taking care to > preserve ownership, permissions, timestamps etc. Might a cp -p be slightly more cautious/paranoid until step vi has been completed? Peter. > > iv) Reinstall the mysql-server port setting a different DB_DIR on > the make command line: > > # make DB_DIR=/usr/local/db install > > v) Make sure that the home directory of the mysql user account is > the same as you set DB_DIR to. The port should take care of > that, but it won't hurt to double check. > > % grep mysql /etc/passwd > mysql:*:88:88:MySQL Daemon:/usr/local/db:/sbin/nologin > > vi) Restart the mysql server. Verify that your data survived the > move. > > And that's it: you're done. > > Cheers, > > Matthew >
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